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Carb Conversion - OVERHEAT!!!! Bill, please help.

So with the vehicle still on jack stands (thankfully), we were idling and refilling the a/c system and we quickly noticed the car overheat and the antifreeze boil and leak out. I'm concerned that something that I unplugged in the teardown was not plugged back in on the rebuild with the carb. However, I was to understand that the TTS is no longer needed, so can someone tell me what I need to do? I'm really stumped.

If you fill the coolant expansion tank all the way up it will spit out excess coolant as the coolant expands, just like an old fashioned (non-recovery) radiator. There will always be an air gap at the top of the coolant expansion tank, about halfway up or so. Make sure your overflow hose isn't pointed at the exhaust system or you will get a heart stopping cloud of steam.

What bill is saying is run the car let the thermostat open, and then gently
Remove the top small radiator hose on the pass side.
When the air all comes out and rad fluid is spurting out gently put it back on.
When I first took my D around the block I overheated too and that was the problem.

I'm trying to find info on my carb's falling on its face problem and it's not just at low rpms. If I put the car in gear and have the rpms up high, let off the gas completely, when I push on the pedal it still stumbles from closed to open throttle plates. Thinking of putting in new accelerator pump, or just swapping back to the original carb that was on this Peugeot manifold even though that carb had stripped jet threads.
I went from having the worlds fastest naturally aspirated prv delorean to the most stumbly off the line one.
Since our falling out, Bill sweared he would never help me again. I'm trying to research the site to find info.